and
S c ¼
uT
1:87 r 2 =t
ð
Þ
ð6:17aÞ
Jacob modified the Theis method to simplify it. His calculations are
T ¼
264Q log t 2 =t 1
ð
Þ
d 2 À d 1
ð6:18Þ
and
S c ¼
0:37t 0
r 2
ð6:19Þ
Fig. 6.21 Theis type curve for well data
274
D. B. Aulenbach et al.
S c ¼
uT
1:87 r 2 =t
ð
Þ
ð6:17aÞ
Jacob modified the Theis method to simplify it. His calculations are
T ¼
264Q log t 2 =t 1
ð
Þ
d 2 À d 1
ð6:18Þ
and
S c ¼
0:37t 0
r 2
ð6:19Þ
Fig. 6.21 Theis type curve for well data
274
D. B. Aulenbach et al.